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Tube: New 6CA7-T Psvane Treasure MKII Series

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pcX USD Price: $199.99
MSRP: $199.99

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Detailed Specification (measurement in mm): 

         

Heater
UH……………………………6.3 V
IH……………………………1.5 A

Static Parameter
Ua…………………………… 250 V
Ug2……………………………250 V
Ug3…………………………… 0 V
-Ug1…………………………12.2 V
Ia…………………………… 100 mA
Gm…………………………… 11 mA/V
ri…………………………… 15 kΩ
μg1-g2………………………11

Maximum Rating
Ua……………………… 800 V
Ug2………………… 500 V
Ug1………………… -100 V
Pa………………… 25 W
Pg2…………… 8 W
Ik………………………150 mA
Rg1
With cathode bias………………………0.7 MΩ
With fixed bias……………………0.5 MΩ
Uh-k ………………±100 V
Tbulb………………………250

Direct Interelectrode Capacitances

input…………………… 15.2 PF
output…………………… 8.4 PF
grid to plate…………………… 1.1 PF
grid to filament……… 1.0 PF
Cathode to filament…………… 10 PF

 Recommended Operating Conditions(reference value)
class A1, singel tube, fixed bias

Ua(b) …………………… 265 265 V
Ua……………………………250 250 V
Ug2……………………… Rg2=2k Rg2=0
Ug3……………………………0 0 V
-Ug1……………………… 14.5 13.5 V
Ia(0) ………………………70 100 mA
Ig2(0) …………………… 10 14.9 mA
Gm…………………………… 9 11 mA/V
ri……………………………18 15 kΩ
RL…………………………… 3 2 kΩ
Pout………………………… 8 11 W
Dtot…………………………10 10 %

push-pull, class B1, fixed bias
Ua……………………………375 400 V
Rg2………………………… 600 800 Ω
Ug3………………………… 0 0 V
-Ug1………………………… 33 36 V
Ia(0) …………………2×30 2×30 mA
Ia(maxsig) ………2×107.5 2×110.5 mA
Ig2(0) ………………2×4.7 2×4.5 mA
Ig2(maxsig) ………2×23.5 2×23 mA
Rl(a-a) ………………3.5 3.5 kΩ
ü(g1-g1)(r.M.S) ……… 46.7 50 V
Pout……………………48 54 W
Dtot……………………2.8 1.6 %
Rg2is used in two tubes.

push-pull, classB1, cathode bias, ultra-linear connection 
(43% tapping points)
Ua………………………………430 V
Rg2…………………………… 2×1 kΩ
Ia(0) ………………………2×62.5 mA
Ia(max.sig) ……………… 2×65 mA
Ig2(0) ………………………2×10 mA
Ig2(max.sig) …………… 2×10.2 mA
Rk……………………………2×470 Ω
?(g1-g1)(r.M.S) ……………35 V
RL(a-a) ……………………… 6 kΩ
Pout……………………………20 W
Dtot………………………… 0.35 %

 

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